CN212526524U

CN212526524U - Novel laser die cutting device

Info

Publication number: CN212526524U
Application number: CN202020983419.4U
Authority: CN
Inventors: 管红俊; 管潇; 许德伟; 胡锋; 胡敏超
Original assignee: Zhejiang Longyou Daoming Optics & Chemical Co ltd
Current assignee: Zhejiang Longyou Daoming Optics & Chemical Co ltd
Priority date: 2020-06-02
Filing date: 2020-06-02
Publication date: 2021-02-12
Anticipated expiration: 2030-06-02

Abstract

The utility model discloses a novel laser cross cutting device, including unwinding mechanism, laser cutting ware, operation platform, winding mechanism, unwinding mechanism includes the owner and unreels the axle, and winding mechanism includes main rolling axle, and main unreeling axle, operation platform, main rolling axle set gradually, and laser cutting ware is located the operation platform top, still includes tightening means, is equipped with stop device on the operation platform, and tightening means locates and owner unreels between axle and the operation platform. The unwinding mechanism executes unwinding action and is used for discharging a film to be processed, the laser cutter is matched with the operating platform to finish a processing link of the film, and the winding mechanism is used for recycling the processed finished film. The tightening device acts on the film to be processed, so that the film to be processed is kept at constant tension after being moderately stretched, and the same tension is kept when the film to be processed moves to the position of the laser cutter every time so as to ensure that the length of the film to be processed is consistent every time, thereby improving the precision of the processed finished film.

Description

Novel laser die cutting device

Technical Field

The utility model relates to a cross cutting device especially relates to a novel laser cutting device.

Background

The laser die cutting device is a device for cutting materials by utilizing the characteristic of high energy and low heat of laser, and the laser die cutting device is widely applied to the fields of material cutting, carving and the like. The existing laser die cutting device is also applied to film processing, but due to the flexibility and the extensibility of the film, the problem of film edge warping usually occurs when the film is processed in the narrow film processing field, so that the film processing precision is insufficient, the production quality requirement of a product is difficult to achieve, and the improvement is needed.

Disclosure of Invention

The utility model discloses to among the prior art because the pliability and the extensibility of film self, especially can appear the warping problem in film edge usually when handling the film in narrow membrane processing field, lead to the film machining precision not enough, be difficult to reach defects such as production quality requirement of product, provide a new novel laser cutting device.

In order to solve the technical problem, the utility model discloses a following technical scheme realizes:

the utility model provides a novel laser cross cutting device, includes unwinding mechanism, laser cutter, operation platform, winding mechanism, unwinding mechanism is including the owner and unreels the axle, winding mechanism is including main rolling axle, main unreeling axle, operation platform, main rolling axle set gradually, laser cutter is located the operation platform top still includes tightening means, the last stop device that is equipped with of operation platform, tightening means locates between main rolling axle and the operation platform.

The unwinding mechanism executes unwinding action and is used for discharging a film to be processed, the laser cutter is matched with the operating platform to finish a processing link of the film, and the winding mechanism is used for recycling the processed finished film. The tightening device acts on the film to be processed, so that the film to be processed is kept at constant tension after being moderately stretched, and the same tension is kept when the film to be processed moves to the position of the laser cutter every time so as to ensure that the length of the film to be processed is consistent every time, thereby improving the precision of the processed finished film. The limiting device is used for limiting the height position of the edge of the film to be processed on the operating platform and preventing the edge of the film to be processed from warping, so that the precision of the finished film is further improved.

Preferably, the novel laser die-cutting device comprises a tightening device and a tightening device, wherein the tightening device comprises a first guide shaft, a second guide shaft, a telescopic cylinder, a displacement sensor and a third guide shaft, the first guide shaft and the second guide shaft are arranged in parallel, the telescopic cylinder is arranged between the first guide shaft and the second guide shaft, the third guide shaft is connected to the telescopic cylinder and moves along with the telescopic cylinder, and the third guide shaft is parallel to the first guide shaft.

The position of a third guide shaft is adjusted by limiting the air pressure in the telescopic cylinder to adjust the extension of the telescopic cylinder, so that the first guide shaft, the second guide shaft and the third guide shaft are matched with each other to properly stretch the film to be processed; when the film moving speed leads to the film overstretching too fast, because film self tension grow leads to telescopic cylinder shrink, displacement sensor plays the effect of adjustment film moving speed as trigger device to ensure to wait to process the film tension invariant when laser cutter, in order to reach the effect that improves the machining precision of finished product film, promote the qualification rate of product.

Preferably, the novel laser cutting device, stop device include guide rail, clamp plate connecting block, compress tightly cylinder, clamp plate, the quantity of guide rail, clamp plate connecting block, compress tightly cylinder, clamp plate is 2, the guide rail sets up respectively operation platform both ends and be parallel to each other, the both ends difference sliding connection of each clamp plate connecting block is in on the guide rail, the clamp plate is located clamp plate connecting block below, compress tightly the cylinder and connect in clamp plate connecting block top, compress tightly the cylinder and pass the clamp plate connecting block is connected with the clamp plate, on the guide rail with one side that operation platform connects all is equipped with the material groove.

The material groove is used as a channel for the film to enter and leave the operation platform, the pressing plate connecting block, the pressing cylinder and the pressing plate are matched with each other, and the pressing plate is controlled by the pressing cylinder to press down to limit the height of the edge of the film, so that the edge of the film is kept flat, the smoothness of the film when the film passes is ensured, and the processing precision is improved; the pressing plate connecting block is connected with the guide rail in a sliding mode, so that the pressing plate connecting block can be adjusted according to the width of the film to be processed, the processing adaptive range of the device is widened, and the device can effectively improve the processing precision when the films with different widths are processed.

Preferably, the novel laser cutting device further comprises a waste gas exhaust device, wherein the waste gas exhaust device comprises an air suction cover and an exhaust pipe, the air suction cover is connected above the pressing plate connecting block, an air inlet grid is arranged on the air suction cover, and the exhaust pipe is connected with the air inlet grid.

The air suction cover is connected to the pressing plate connecting block and can move along with the pressing plate connecting block to improve waste gas absorption efficiency, and the pressing plate connecting block is closer to the film and can discharge waste gas by adopting smaller air volume, so that the problem that the processing precision is influenced by the vibration of the film due to the larger air volume of the traditional waste gas discharging device is solved, and the processing precision of a finished film is further improved; the air inlet grid is matched with the exhaust pipe to prevent foreign matters from entering and blocking the exhaust gas discharging device.

Preferably, the novel laser die cutting device further comprises a correcting device, and the correcting device is arranged between the tightening device and the operating platform.

The correcting device is used for adjusting the horizontal position of the film before the film enters the operating platform, controlling the error value of the horizontal position of the film before the film enters the operating platform and improving the processing precision of the finished film.

Preferably, the novel laser die-cutting device further comprises a traction device, the traction device comprises a traction shaft and a speed encoder, the traction shaft is arranged at the downstream of the operating platform, and the speed encoder is matched with the traction shaft and limits the rotating speed of the traction shaft.

The traction shaft provides traction force for the film to leave the operation platform, and the speed encoder monitors the rotation speed of the traction shaft to control the traction shaft, so that the device can ensure higher precision in a continuous processing state.

Preferably, the novel laser die-cutting device further comprises a protective film winding shaft, wherein the protective film winding shaft is arranged at the downstream of the main unwinding shaft and matched with the main unwinding shaft.

The protective film winding shaft is used for recycling the protective layer on the outer surface of the film to be processed, so that the step of manually peeling off the protective layer is omitted, the labor cost is saved, and the production efficiency is improved.

Preferably, the winding mechanism further comprises a waste winding shaft, and the waste winding shaft is arranged at the upstream of the main winding shaft and matched with the main winding shaft.

The waste material rolling shaft is used for recycling redundant waste material film layers on the finished product film, so that the waste material film layers are separated from finished products, the step of manually stripping the waste material film layers is omitted, the labor cost is saved, and the production efficiency is improved.

Preferably, the unreeling mechanism further comprises a release paper unreeling shaft, wherein the release paper unreeling shaft is arranged at the upstream of the main reeling shaft and matched with the main reeling shaft.

From type paper unreel axle and main rolling axle cooperation, with from type paper bonding simultaneously in finished product membrane rolling process, save alone with finished product membrane with from the step of type paper bonding, practiced thrift manufacturing cost to promote production efficiency.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural diagram of the operation platform of the present invention;

fig. 3 is a schematic structural view of the middle tightening device of the present invention.

Detailed Description

The invention will be described in further detail with reference to the accompanying figures 1-3 and the detailed description, but they are not intended to limit the invention:

example 1

The utility model provides a novel laser cross cutting device, includes unwinding mechanism, laser cutter 5, operation platform 4, winding mechanism, unwinding mechanism includes that the owner unreels axle 11, winding mechanism includes main rolling axle 71, the owner unreels axle 11, operation platform 4, main rolling axle 71 sets gradually, laser cutter 5 is located operation platform 4 top still includes tightening means 2, be equipped with stop device on operation platform 4, tightening means 2 locates the owner is unreeled between axle 11 and the operation platform 4.

When the device is used for cutting the film, a roll of film to be processed needs to be taken firstly and fixed on the main unwinding shaft 11, and one end of the film to be processed sequentially penetrates through the tightening device 2 and the operating platform 4 and then is connected onto the main winding shaft 71. After the preparation work is finished, the device is started, the main unwinding shaft 11 and the main winding shaft 71 start to operate at the same rotating speed, and the film to be processed starts to move at a constant speed towards the direction of the main winding shaft 71. Then the tightening device 2 is started and stretches the film to be processed to ensure that the tension of the film is always kept in a limited range in the cutting process; after the film to be processed is stretched by the tightening device 2, the limiting device starts to operate, and the limiting device compresses the edge of the film to be processed, which is tilted, and limits the left and right positions of the film to be processed. Finally, the laser cutter 5 starts to cut the film, and the cut film is recovered on the main winding shaft 71.

Preferably, tightening device 2 includes a first guide shaft 21, a second guide shaft 22, a telescopic cylinder 23, a displacement sensor 25, and a third guide shaft 24, where first guide shaft 21 and second guide shaft 22 are parallel to each other, telescopic cylinder 23 is disposed between first guide shaft 21 and second guide shaft 22, third guide shaft 24 is connected to telescopic cylinder 23 and moves along with telescopic cylinder 23, and third guide shaft 24 is parallel to first guide shaft 21.

Preferably, the limiting device comprises a guide rail 41, a pressing plate connecting block 42, a pressing cylinder 43 and a pressing plate 44, the number of the guide rail 41, the pressing plate connecting block 42, the pressing cylinder 43 and the pressing plate 44 is 2, the guide rail 41 is respectively arranged at two ends of the operating platform 4 and is parallel to each other, two ends of each pressing plate connecting block 42 are respectively connected to the guide rail 41 in a sliding manner, the pressing plate 44 is arranged below the pressing plate connecting block 42, the pressing cylinder 43 is connected above the pressing plate connecting block 42, the pressing cylinder 43 penetrates through the pressing plate connecting block 42 and is connected with the pressing plate 44, and a material groove 45 is formed in one side of the guide rail 41, which is connected with the operating platform 4.

Preferably, the exhaust gas purification device further comprises an exhaust gas discharge device 8, wherein the exhaust gas discharge device 8 comprises an air suction cover 81 and an exhaust pipe 82, the air suction cover 81 is connected above the pressing plate connecting block 42, an air inlet grid 83 is arranged on the air suction cover 81, and the exhaust pipe 82 is connected with the air inlet grid 83.

Preferably, a correcting device 3 is further included, and the correcting device 3 is arranged between the tightening device 2 and the operating platform 4.

Preferably, the device further comprises a traction device, wherein the traction device comprises a traction shaft 62 and a speed encoder 61, the traction shaft 62 is arranged at the downstream of the operation platform 4, and the speed encoder 61 is matched with the traction shaft 62 and limits the rotating speed of the traction shaft 62.

Preferably, the winding mechanism further includes a protective film winding shaft 72, and the protective film winding shaft 72 is disposed downstream of the main unwinding shaft 11 and is engaged with the main unwinding shaft 11.

Preferably, the winding mechanism further comprises a waste winding shaft 73, and the waste winding shaft 73 is arranged upstream of the main winding shaft 71 and is matched with the main winding shaft 71.

Preferably, the unwinding mechanism further comprises a release paper unwinding shaft 12, and the release paper unwinding shaft 12 is arranged at the upstream of the main winding shaft 71 and is matched with the main winding shaft 71.

More specifically, the preparation steps before starting the device are as follows: firstly, a roll of film to be processed is taken, the film sequentially has a three-layer structure of a protective layer, a photoetching layer and a base layer from top to bottom, the film is connected to a main unwinding shaft 11, the protective layer part on the film to be processed is peeled and wound on a protective film winding shaft 72, then the film after the protective layer is peeled sequentially passes through a second guide shaft 22, a third guide shaft 24, a first guide shaft 21, a correcting device 3, an operation platform 4 and a traction shaft 62 to separate the photoetching layer from the base layer, the photoetching layer is wound on a waste winding shaft 73, and the base layer is continuously pulled to be compounded with release paper on a release paper unwinding shaft 12 and then is wound on a main winding shaft 71.

After the preparation steps are completed, the device is started, the main unreeling shaft 11 rotates to start unreeling, and the protective film reeling shaft 72 synchronously rotates to reel the protective layer so as to separate the protective layer from the photoetching layer; at the tightening device 2, the telescopic cylinder 23 drives the third guide shaft 24 to move so as to stretch the film after the protective layer is peeled off, and the pressure in the telescopic cylinder 23 interacts with the tension of the film, so that the film is in a limited tension range and is always kept in the subsequent processing steps; the correcting device 3 monitors the film deviation position and adjusts the position of the film entering the operating platform 4; the film enters the operating platform 4 through a material groove 45 at the bottom of the guide rail 41, and after the pressing plate connecting block 42 is adjusted to a proper position through the guide rail 41, the pressing cylinder 43 drives the pressing plate 44 to move downwards, so that the edge tilting part of the film is limited within a certain height range; the laser cutter 5 is started to cut the photoetching layer; the waste gas discharging device 8 is started, and waste gas generated by laser cutting of the film is discharged through the air suction cover 81 and the exhaust pipe 82 in sequence; the film which is cut by the laser leaves the operating platform 4 through the traction shaft 62 and is separated on the traction shaft 62, the redundant waste on the photoetching layer is recycled by the waste winding shaft 73, and the finished product which is cut and formed on the photoetching layer moves backwards continuously along with the base layer; the release paper on the release paper unreeling shaft 12 is recovered by the main reeling shaft 71 after being compounded with the film which finishes the laser cutting, and the device finishes all the processing steps.

In the actual processing process of the three-layer structure film adopted in the steps of the embodiment, a film with a two-layer structure, a single-layer structure or a multi-layer structure can be used instead, and the normal use of the device is not influenced. When a two-layer structure film is adopted, the protective film winding shaft 72 does not participate in the processing flow, and other processing steps are consistent with those of the embodiment; when a single-layer structure film is used, the protective film winding shaft 72 and the waste winding shaft 73 do not participate in the processing flow, and other processing steps are consistent with those of the above embodiment.

In short, the above description is only a preferred embodiment of the present invention, and all the equivalent changes and modifications made within the scope of the claims of the present invention should be covered by the present invention.

Claims

1. The utility model provides a novel laser cross cutting device, includes unwinding mechanism, laser cutter (5), operation platform (4), winding mechanism, unwinding mechanism includes that owner unreels axle (11), winding mechanism includes main rolling axle (71), owner unreels axle (11), operation platform (4), main rolling axle (71) sets gradually, laser cutter (5) are located operation platform (4) top, its characterized in that: still include tightening means (2), be equipped with stop device on operation platform (4), tightening means (2) are located between main unreeling shaft (11) and operation platform (4).

2. The novel laser die cutting device according to claim 1, characterized in that: tightening means (2) include first guide axle (21), second guide axle (22), telescopic cylinder (23), displacement sensor (25), third guide axle (24), mutual parallel arrangement between first guide axle (21), second guide axle (22), telescopic cylinder (23) are located between first guide axle (21) and second guide axle (22), third guide axle (24) are connected telescopic cylinder (23) are gone up and are followed telescopic cylinder (23) motion, third guide axle (24) with first guide axle (21) are parallel.

3. The novel laser die cutting device according to claim 2, characterized in that: stop device includes guide rail (41), clamp plate connecting block (42), compresses tightly cylinder (43), clamp plate (44), the quantity of guide rail (41), clamp plate connecting block (42), compress tightly cylinder (43), clamp plate (44) is 2, guide rail (41) sets up respectively operation platform (4) both ends and are parallel to each other, the both ends difference sliding connection of each clamp plate connecting block (42) is in on guide rail (41), clamp plate (44) are located clamp plate connecting block (42) below, it connects to compress tightly cylinder (43) clamp plate connecting block (42) top, it passes to compress tightly cylinder (43) clamp plate connecting block (42) are connected with clamp plate (44), on guide rail (41) with one side that operation platform (4) are connected all is equipped with material groove (45).

4. The novel laser die cutting device according to claim 3, characterized in that: still include exhaust gas discharging device (8), exhaust gas discharging device (8) are including the cover (81), exhaust pipe (82) of induced drafting, it connects to induced draft cover (81) clamp plate connecting block (42) top, be equipped with air inlet grid (83) on the cover (81) of induced drafting, exhaust pipe (82) are connected air inlet grid (83).

5. The novel laser die cutting device according to claim 4, wherein: still including correcting device (3), correct device (3) and locate between tightening means (2) and operation platform (4).

6. The novel laser die cutting device according to claim 5, wherein: still include draw gear, draw gear is including drawing axle (62), speed encoder (61), draw axle (62) to be located the low reaches of operation platform (4), speed encoder (61) with draw axle (62) cooperation and restriction and draw axle (62) rotational speed.

7. The novel laser die cutting device according to claim 6, wherein: winding mechanism still includes protection film rolling axle (72), protection film rolling axle (72) are located owner unreel spool (11) low reaches and with owner unreel spool (11) cooperation.

8. The novel laser die cutting device according to claim 6, wherein: the winding mechanism further comprises a waste winding shaft (73), and the waste winding shaft (73) is arranged on the upstream of the main winding shaft (71) and matched with the main winding shaft (71).

9. The novel laser die cutting device according to claim 6, wherein: unwinding mechanism still includes from type paper unreels spool (12), from type paper unreel spool (12) locate main rolling axle (71) upper reaches and with main rolling axle (71) cooperation.